Hexagonal locking toy block



FIG. 1 is a front elevational view of a hexagonal locking toy block showing my new design, the side opposite being a mirror image;

FIG. 2 is a side elevational view thereof, the side opposite being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a perspective view thereof. 

The ornamental design for a hexagonal locking toy block, as shown and described. 